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EP2377897A4 - Absorbing resin particles, process for producing same, and absorbent and absorbing article both including same - Google Patents

Absorbing resin particles, process for producing same, and absorbent and absorbing article both including same

Info

Publication number
EP2377897A4
EP2377897A4 EP09834464A EP09834464A EP2377897A4 EP 2377897 A4 EP2377897 A4 EP 2377897A4 EP 09834464 A EP09834464 A EP 09834464A EP 09834464 A EP09834464 A EP 09834464A EP 2377897 A4 EP2377897 A4 EP 2377897A4
Authority
EP
European Patent Office
Prior art keywords
absorbing
same
absorbent
resin particles
article
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP09834464A
Other languages
German (de)
French (fr)
Other versions
EP2377897B1 (en
EP2377897A1 (en
Inventor
Takashi Fujimura
Hidenobu Ishida
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
San Dia Polymers Ltd
Original Assignee
San Dia Polymers Ltd
SAN DIA POLYMERS Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=42287303&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2377897(A4) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by San Dia Polymers Ltd, SAN DIA POLYMERS Ltd filed Critical San Dia Polymers Ltd
Publication of EP2377897A1 publication Critical patent/EP2377897A1/en
Publication of EP2377897A4 publication Critical patent/EP2377897A4/en
Application granted granted Critical
Publication of EP2377897B1 publication Critical patent/EP2377897B1/en
Revoked legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/12—Powdering or granulating
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
    • A61L15/42—Use of materials characterised by their function or physical properties
    • A61L15/60—Liquid-swellable gel-forming materials, e.g. super-absorbents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
    • B01J20/26—Synthetic macromolecular compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/24—Crosslinking, e.g. vulcanising, of macromolecules
    • C08J3/245—Differential crosslinking of one polymer with one crosslinking type, e.g. surface crosslinking
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
    • C08L33/02—Homopolymers or copolymers of acids; Metal or ammonium salts thereof
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2300/00—Characterised by the use of unspecified polymers
    • C08J2300/14—Water soluble or water swellable polymers, e.g. aqueous gels
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2333/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
    • C08J2333/02—Homopolymers or copolymers of acids; Metal or ammonium salts thereof
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
    • C08K5/098—Metal salts of carboxylic acids
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/10—Esters; Ether-esters
    • C08K5/101—Esters; Ether-esters of monocarboxylic acids
    • C08K5/103—Esters; Ether-esters of monocarboxylic acids with polyalcohols
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/15—Heterocyclic compounds having oxygen in the ring
    • C08K5/151—Heterocyclic compounds having oxygen in the ring having one oxygen atom in the ring
    • C08K5/1545—Six-membered rings

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Animal Behavior & Ethology (AREA)
  • Epidemiology (AREA)
  • Engineering & Computer Science (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hematology (AREA)
  • Dispersion Chemistry (AREA)
  • Materials Engineering (AREA)
  • Vascular Medicine (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
EP09834464.1A 2008-12-26 2009-12-24 Absorbing resin particles, process for producing same, and absorbent and absorbing article both including same Revoked EP2377897B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2008333207 2008-12-26
PCT/JP2009/007174 WO2010073658A1 (en) 2008-12-26 2009-12-24 Absorbing resin particles, process for producing same, and absorbent and absorbing article both including same

Publications (3)

Publication Number Publication Date
EP2377897A1 EP2377897A1 (en) 2011-10-19
EP2377897A4 true EP2377897A4 (en) 2012-08-08
EP2377897B1 EP2377897B1 (en) 2014-04-23

Family

ID=42287303

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09834464.1A Revoked EP2377897B1 (en) 2008-12-26 2009-12-24 Absorbing resin particles, process for producing same, and absorbent and absorbing article both including same

Country Status (10)

Country Link
US (1) US8742023B2 (en)
EP (1) EP2377897B1 (en)
JP (2) JP5553772B2 (en)
KR (1) KR101511820B1 (en)
CN (1) CN102245680B (en)
AU (1) AU2009332225B2 (en)
BR (1) BRPI0918389B1 (en)
SG (1) SG172397A1 (en)
TW (1) TWI422630B (en)
WO (1) WO2010073658A1 (en)

Families Citing this family (58)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI353360B (en) 2005-04-07 2011-12-01 Nippon Catalytic Chem Ind Production process of polyacrylic acid (salt) wate
TWI394789B (en) 2005-12-22 2013-05-01 Nippon Catalytic Chem Ind Water-absorbent resin composition, method of manufacturing the same, and absorbent article
EP1837348B9 (en) 2006-03-24 2020-01-08 Nippon Shokubai Co.,Ltd. Water-absorbing resin and method for manufacturing the same
JP2010241975A (en) * 2009-04-07 2010-10-28 San-Dia Polymer Ltd Absorptive resin particle, and absorbing material and absorbing article containing the same
CN102548654A (en) 2009-09-29 2012-07-04 株式会社日本触媒 Particulate water absorbent and process for production thereof
JP2012031278A (en) * 2010-07-30 2012-02-16 San-Dia Polymer Ltd Absorbent resin particle, absorber comprising the same, and absorbent article
CN103080140B (en) * 2010-08-19 2014-11-19 住友精化株式会社 Water-absorbing resin
JP5766975B2 (en) * 2011-02-25 2015-08-19 Ｓｄｐグローバル株式会社 Absorbent resin particle composition, absorbent body and absorbent article containing the same
WO2012133734A1 (en) * 2011-03-31 2012-10-04 株式会社日本触媒 Granular water absorber and method for producing same
JP2012217599A (en) * 2011-04-08 2012-11-12 San-Dia Polymer Ltd Absorbable resin particle, and absorber and absorbable article including the same
JP5917829B2 (en) * 2011-05-11 2016-05-18 住友精化株式会社 Water-absorbing resin and method for producing the same
US20140142269A1 (en) * 2011-07-08 2014-05-22 Sumitomo Seika Chemicals Co.,,Ltd. Carboxyl group-containing polymer composition
JP6013729B2 (en) * 2011-12-27 2016-10-25 株式会社リブドゥコーポレーション Water-absorbent resin powder and absorbent body and absorbent article using the same
JP2013203842A (en) * 2012-03-28 2013-10-07 San-Dia Polymer Ltd Absorptive resin particle and absorber and absorptive article containing the same
US9375507B2 (en) 2013-04-10 2016-06-28 Evonik Corporation Particulate superabsorbent polymer composition having improved stability
US9302248B2 (en) 2013-04-10 2016-04-05 Evonik Corporation Particulate superabsorbent polymer composition having improved stability
WO2015108084A1 (en) * 2014-01-15 2015-07-23 株式会社日本触媒 Process for producing absobent article
JP5719079B1 (en) 2014-07-11 2015-05-13 住友精化株式会社 Water absorbent resin and absorbent article
KR101752384B1 (en) 2014-11-27 2017-06-30 주식회사 엘지화학 Preparation method of super absorbent polymer and super absorbent polymer prepared therefrom
US20180000663A1 (en) * 2015-01-14 2018-01-04 Sdp Global Co., Ltd. Absorbent article
JP6553932B2 (en) * 2015-04-24 2019-07-31 株式会社日本触媒 Waste liquid solidifying agent, its production method and its use
JP6460495B2 (en) 2015-06-19 2019-01-30 株式会社日本触媒 Poly (meth) acrylic acid (salt) -based particulate water-absorbing agent and production method
EP3357937B1 (en) * 2015-10-02 2021-04-28 SDP Global Co., Ltd. Water absorbent resin particles and method for producing same
JP6808391B2 (en) * 2016-07-29 2021-01-06 Ｓｄｐグローバル株式会社 Water-absorbent resin particles and their manufacturing method
JP6979759B2 (en) * 2016-09-08 2021-12-15 Ｓｄｐグローバル株式会社 Aqueous liquid absorbent resin particles and absorbents and absorbent articles using the same
WO2018117413A1 (en) * 2016-12-20 2018-06-28 주식회사 엘지화학 Superabsorbent polymer and method for producing same
KR102193459B1 (en) 2016-12-20 2020-12-21 주식회사 엘지화학 Super absorbent polymer and preparation method for the same
KR102086050B1 (en) 2016-12-20 2020-03-06 주식회사 엘지화학 Super absorbent polymer and preparation method thereof
WO2018117441A1 (en) * 2016-12-20 2018-06-28 주식회사 엘지화학 Superabsorbent polymer and method for manufacturing same
JP2018127508A (en) * 2017-02-06 2018-08-16 Ｓｄｐグローバル株式会社 Absorptive resin particle and method for producing the same
WO2018149750A1 (en) * 2017-02-16 2018-08-23 Basf Se Water-swellable polymer particles
CN110475610B (en) * 2017-03-28 2023-03-17 三大雅株式会社 Absorbent article
RU2020105297A (en) 2017-07-28 2021-08-05 Кимберли-Кларк Ворлдвайд, Инк. NANOPOROUS SUPERABORATIVE PARTICLES
BR112020000831A2 (en) 2017-07-28 2020-07-21 Kimberly-Clark Worldwide, Inc. absorbent article.
CN111433258B (en) * 2017-12-08 2023-06-20 三大雅株式会社 Absorbent resin particles, absorbent body, absorbent article, and method for producing absorbent resin particles
KR102566286B1 (en) 2017-12-11 2023-08-11 주식회사 엘지화학 Super absorbent polymer and preparation method for the same
KR102568226B1 (en) 2017-12-11 2023-08-18 주식회사 엘지화학 Super absorbent polymer and preparation method for the same
KR102498238B1 (en) 2017-12-14 2023-02-08 주식회사 엘지화학 Super absorbent polymer and preparation method thereof
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WO2019190120A1 (en) * 2018-03-30 2019-10-03 주식회사 엘지화학 Super absorbent polymer and method for preparing same
US12128144B2 (en) * 2018-04-02 2024-10-29 Polygreen Ltd Process for the production of biodegradable superabsorbent polymer with high absorbency under load based on styrene maleic acid copolymers and biopolymer
JP7250441B2 (en) * 2018-06-15 2023-04-03 Ｓｄｐグローバル株式会社 Water absorbent resin particles and absorbent article
GB2588553B (en) 2018-06-27 2022-10-19 Kimberly Clark Co Nanoporous Superabsorbent Particles
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JP7234101B2 (en) * 2018-11-21 2023-03-07 三洋化成工業株式会社 Water-absorbing resin particles easily dehydrated and method for producing the same
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WO2022114609A1 (en) * 2020-11-27 2022-06-02 주식회사 엘지화학 Preparation method of super absorbent polymer composition
JP7128980B1 (en) 2022-03-30 2022-08-31 Ｓｄｐグローバル株式会社 Method for producing water absorbent resin composition, water absorbent resin composition, absorbent body using the same, and absorbent article
WO2024072076A1 (en) 2022-09-28 2024-04-04 주식회사 엘지화학 Super absorbent polymer

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4590227A (en) * 1984-10-24 1986-05-20 Seitetsu Kagaku Co., Ltd. Water-swellable elastomer composition
EP0450922A2 (en) * 1990-04-02 1991-10-09 Nippon Shokubai Kagaku Kogyo Co. Ltd. Method for production of fluid stable aggregate

Family Cites Families (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3901236A (en) * 1974-07-29 1975-08-26 Union Carbide Corp Disposable absorbent articles containing hydrogel composites having improved fluid absorption efficiencies and processes for preparation
US4043952A (en) 1975-05-09 1977-08-23 National Starch And Chemical Corporation Surface treatment process for improving dispersibility of an absorbent composition, and product thereof
JPS5346389A (en) 1976-10-07 1978-04-25 Kao Corp Preparation of self-crosslinking polymer of acrylic alkali metal salt
US4286082A (en) 1979-04-06 1981-08-25 Nippon Shokubai Kagaku Kogyo & Co., Ltd. Absorbent resin composition and process for producing same
JPS55133413A (en) 1979-04-06 1980-10-17 Nippon Shokubai Kagaku Kogyo Co Ltd Preparation of crosslinked alkali metal acrylate polymer
JPS5626909A (en) 1979-08-13 1981-03-16 Seitetsu Kagaku Co Ltd Preparation of water-absorbing acrylic polymer
JPS6018690B2 (en) * 1981-12-30 1985-05-11 住友精化株式会社 Method for improving water absorbency of water absorbent resin
JPS58180233A (en) 1982-04-19 1983-10-21 Nippon Shokubai Kagaku Kogyo Co Ltd Absorbing agent
JPS59189103A (en) 1983-04-11 1984-10-26 Nippon Shokubai Kagaku Kogyo Co Ltd Water-absorbing agent
JPS6116903A (en) 1984-07-02 1986-01-24 Nippon Shokubai Kagaku Kogyo Co Ltd Water-absorbent
JPS6158658A (en) 1984-08-30 1986-03-25 三洋化成工業株式会社 Absorbing material and absorbable article
JPH0617394B2 (en) 1985-03-18 1994-03-09 三菱油化株式会社 Method for producing super absorbent polymer
JPS61252212A (en) 1985-04-12 1986-11-10 Mitsubishi Petrochem Co Ltd Production of highly water-absorptive polymer
JPS61257235A (en) 1985-05-08 1986-11-14 Sanyo Chem Ind Ltd Water absorbent resin composition, its preparation and water absorbent-water retention agent
JPS645808A (en) 1987-06-30 1989-01-10 Nippon Denki Home Electronics Molding tool device
US5137537A (en) * 1989-11-07 1992-08-11 The Procter & Gamble Cellulose Company Absorbent structure containing individualized, polycarboxylic acid crosslinked wood pulp cellulose fibers
JP2902201B2 (en) 1991-03-18 1999-06-07 ストックハウゼン ルイジアナ リミティド Method for reducing residual acrylic acid content of superabsorbent polymer
US5502087A (en) 1993-06-23 1996-03-26 Dentsply Research & Development Corp. Dental composition, prosthesis, and method for making dental prosthesis
JP2918807B2 (en) 1994-06-14 1999-07-12 株式会社日本触媒 Water absorbing agent, method for producing the same, and absorbent article containing water absorbing agent
US6107358A (en) 1996-08-23 2000-08-22 Nippon Shokubai Co., Ltd. Water-absorbent resin and method for production thereof
DE19846413A1 (en) * 1998-10-08 2000-04-13 Basf Ag Economical preparation of swellable, hydrophilic polymer having good water absorption properties, useful e.g. in hygienic articles, by polymerization, comminution, post-neutralization, drying, grinding and sieving
JP2002035580A (en) * 1999-06-24 2002-02-05 Sanyo Chem Ind Ltd Absorbent composition and absorbable article
US6514615B1 (en) * 1999-06-29 2003-02-04 Stockhausen Gmbh & Co. Kg Superabsorbent polymers having delayed water absorption characteristics
JP4107775B2 (en) * 1999-12-02 2008-06-25 花王株式会社 Manufacturing method of super absorbent resin
JP2003165883A (en) 2001-09-18 2003-06-10 San-Dia Polymer Ltd Water-absorbing polymer and absorbing article using the same
JP2003088551A (en) * 2001-09-19 2003-03-25 Sumitomo Seika Chem Co Ltd Absorber and absorptive article using it
JP2003225565A (en) 2001-11-20 2003-08-12 San-Dia Polymer Ltd Water absorbent, manufacturing method therefor, and absorbing material and absorptive article using the water absorbent
CN100519663C (en) 2003-02-10 2009-07-29 株式会社日本触媒 Particulate water absorbent containing water absorbent resin as a main component
CN100406500C (en) * 2003-08-29 2008-07-30 三大雅高分子公司 Absorbent resin particle, and absorber and absorbent article employing the same
JP3648553B2 (en) * 2003-08-29 2005-05-18 サンダイヤポリマー株式会社 Absorbent resin particles, absorbent body and absorbent article using the same
JP2005075982A (en) 2003-09-02 2005-03-24 San-Dia Polymer Ltd Method for producing vinyl polymer
JP2005095759A (en) 2003-09-24 2005-04-14 San-Dia Polymer Ltd Absorbent and absorbing article comprising the absorbent
JP4564499B2 (en) * 2004-05-12 2010-10-20 株式会社日本触媒 Waste liquid solidifying agent, production method thereof and use thereof
JP2006122737A (en) * 2004-10-26 2006-05-18 San-Dia Polymer Ltd Water absorbent, and absorbing medium and absorptive article using the absorbent
JP2006131767A (en) 2004-11-05 2006-05-25 San-Dia Polymer Ltd Method for producing water-absorbing resin
JP4182087B2 (en) * 2005-07-11 2008-11-19 サンダイヤポリマー株式会社 Liquid absorption performance measuring method and liquid absorption performance measuring apparatus

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4590227A (en) * 1984-10-24 1986-05-20 Seitetsu Kagaku Co., Ltd. Water-swellable elastomer composition
EP0450922A2 (en) * 1990-04-02 1991-10-09 Nippon Shokubai Kagaku Kogyo Co. Ltd. Method for production of fluid stable aggregate

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2010073658A1 *

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BRPI0918389B1 (en) 2019-05-07
JP2013231199A (en) 2013-11-14
US8742023B2 (en) 2014-06-03
EP2377897B1 (en) 2014-04-23
KR101511820B1 (en) 2015-04-13
TW201035218A (en) 2010-10-01
AU2009332225A1 (en) 2010-07-01
JP5685293B2 (en) 2015-03-18
TWI422630B (en) 2014-01-11
JPWO2010073658A1 (en) 2012-06-07
JP5553772B2 (en) 2014-07-16
SG172397A1 (en) 2011-07-28
BRPI0918389A2 (en) 2015-12-22
WO2010073658A1 (en) 2010-07-01
AU2009332225B2 (en) 2013-07-04
EP2377897A1 (en) 2011-10-19
CN102245680A (en) 2011-11-16
US20110301560A1 (en) 2011-12-08
CN102245680B (en) 2013-09-11
KR20110114535A (en) 2011-10-19

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